Forest Ecosystems

Table 1 Descriptive data of inventory plots (Germany)

From: Tree species richness enhances stand productivity while stand structure can have opposite effects, based on forest inventory data from Germany and the United States of America

	R	d	dq	CVd	SDI	Temp	Precip	P
mean	2.02	27.14	28.59	0.32	1158.02	8.32	842.12	12.24
sd	1.06	12.2	12.18	0.19	603.3	0.93	250.52	8.96
se	0	0.05	0.05	0	2.54	0	1.05	0.04
min	1	7	7	0	38.67	0.31	467	0
max	9	165	165	1.46	5375.02	10.83	1984	103.59
n	56,449

R number of species, d diameter at breast height (cm), dq quadratic mean diameter (cm), CVd coefficient of variation of diameter, SDI stand density index, Temp mean annual temperature, Precip annual precipitation, P stand productivity (m³∙ha⁻¹∙yr.⁻¹)

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